network panic

[Patrick Welche <prlw1%newn.cam.ac.uk@localhost>]

Came in to find a Mar 3 11:19 GMT source 4.99.55/i386 kernel stuck in dhcpd
with:

uvm_fault(0xce082a00, 0, 1) -> 0xe
kernel: supervisor trap page fault, code=0
Stopped in pid 9657.1 (dhcpd) at        0xc03a2b8a:     movl    0x14(%eax),%eax
db{1}> bt/l
m_length(0,0,cd7c4aac,c03722db,5) at 0xc03a2b8a
bpf_mtap(c2d71c00,0,cd7c4adc,c03a4bb1,cd7c4a05) at netbsd:bpf_mtap+0x17
bge_start(c2d9c004,156,9000003,3,0) at netbsd:bge_start+0x10c
ifq_enqueue(c2d9c004,c370e200,c2d9c004,2,ce082a00) at netbsd:ifq_enqueue+0x13f
ether_output(c2d9c004,c370e200,c05fdae0,0,c05fdae0) at netbsd:ether_output+0x716
bpf_write(d4f808c0,d4f808e4,cd7c4c5c,cdf3d600,1) at netbsd:bpf_write+0x126
do_filewritev(7,bfbfc668,3,d4f808e4,1) at netbsd:do_filewritev+0x2ac
sys_writev(cdf86220,cd7c4d04,cd7c4cfc,5,c0100d2e) at netbsd:sys_writev+0x3f
syscall(cd7c4d48,b3,ab,bfbf001f,bfbf001f) at netbsd:syscall+0x157
db{1}> show mbuf c370e200
MBUF 0xc370e200
  data=0xcc604002, len=2046, type=1, flags=0x9000003<EXT,PKTHDR,EXT_CLUSTER,EXT_
RW>
  owner=0x61505f3d, next=0x0, nextpkt=0x0
  leadingspace=2, trailingspace=0, readonly=0
  pktlen=2046, rcvif=0x0, csum_flags=0x0, csum_data=0x0, segsz=0
  shared=0, ext_buf=0xcc604000, ext_size=2048, ext_free=0x0, ext_arg=0xcc085900

?!

Cheers,

Patrick